Erg and Joule

Erg noun - A cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter.

Joule and erg are semantically related. In some cases you can replace term "Joule" with "Erg", this nouns are similar.

Joule noun - A unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second.

Erg and joule are semantically related. Sometimes you can replace term "Erg" with "Joule", this nouns are similar.